Tube passengers tracked by phone WiFi
Roland Perry wrote:
In message , at 04:57:17 on Tue, 12 Sep
2017, Anna Noyd-Dryver remarked:
Of course there is always the option - possibly heresy for Millenials - to
switch off wifi on your phone. I know, its radical, but it might just work.
I usually forget to switch it back on and end up using my 4G allowance at
home...
My Android phone uses wifi in preference to mobile data, when wifi is
available.
Assuming wifi is switched on, of course.
Anna Noyd-Dryver
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